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python3-matplotlib: Fix build with c++17
Signed-off-by: Khem Raj <raj.khem@gmail.com>
This commit is contained in:
@@ -0,0 +1,59 @@
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From 3eb9987b02cc10b93e09219ddc86aa6be5f10177 Mon Sep 17 00:00:00 2001
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From: tybeller <ty.c.beller@gmail.com>
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Date: Fri, 30 Sep 2022 16:13:41 -0400
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Subject: [PATCH] removed RandomNumberGenerator class, included <random>,
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replaced random_shuffle with shuffle and used mersenne twister engine to
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generate uniform random bit generator for the shuffle.
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Upstream-Status: Backport [https://github.com/matplotlib/matplotlib/commit/601d92a8850]
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Signed-off-by: Khem Raj <raj.khem@gmail.com>
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---
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src/tri/_tri.cpp | 20 ++++----------------
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1 file changed, 4 insertions(+), 16 deletions(-)
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diff --git a/src/tri/_tri.cpp b/src/tri/_tri.cpp
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index b7a87783de..6e639eea44 100644
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--- a/src/tri/_tri.cpp
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+++ b/src/tri/_tri.cpp
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@@ -12,6 +12,7 @@
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#include <algorithm>
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#include <set>
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+#include <random>
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TriEdge::TriEdge()
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@@ -1465,8 +1466,8 @@ TrapezoidMapTriFinder::initialize()
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_tree->assert_valid(false);
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// Randomly shuffle all edges other than first 2.
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- RandomNumberGenerator rng(1234);
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- std::random_shuffle(_edges.begin()+2, _edges.end(), rng);
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+ std::mt19937 rng(1234);
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+ std::shuffle(_edges.begin()+2, _edges.end(), rng);
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// Add edges, one at a time, to tree.
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size_t nedges = _edges.size();
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@@ -2055,17 +2056,4 @@ TrapezoidMapTriFinder::Trapezoid::set_upper_right(Trapezoid* upper_right_)
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upper_right = upper_right_;
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if (upper_right != 0)
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upper_right->upper_left = this;
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-}
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-
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-
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-
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-RandomNumberGenerator::RandomNumberGenerator(unsigned long seed)
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- : _m(21870), _a(1291), _c(4621), _seed(seed % _m)
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-{}
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-
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-unsigned long
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-RandomNumberGenerator::operator()(unsigned long max_value)
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-{
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- _seed = (_seed*_a + _c) % _m;
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- return (_seed*max_value) / _m;
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-}
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+}
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\ No newline at end of file
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--
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2.39.0
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